package week6;

public class q2 {
    public static void main(String[] args) {
        Student s1=new Student("a",18);
        Student s2=new Student("a",18,"皮城");
        Student s3=new Student("a",18,"皮城","学院");
        System.out.println(s1.show2());
        s2.show();
        System.out.println(s3.show2());
    }

}
